'Picamar' definitions:

Definition of 'Picamar'

From: GCIDE

Picamar \Pic"a*mar`\, n. [L. pix, picis, pitch + amarus bitter.] (Chem.) An oily liquid hydrocarbon extracted from the creosote of beechwood tar. It consists essentially of certain derivatives of pyrogallol. [1913 Webster]